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Distant Clock Synchronization Using Entangled Photon Pairs
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clockdistantentangledexperimentsynchronizationaccuracyachievementbesides
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We report a proof-of-principle experiment on distant clock synchronization. Besides the achievement of picosecond resolution at 3 kilometer distance, this experiment demonstrated a novel concept for high accuracy non-local timing and positioning based on the quantum feature of entangled states.
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